diff --git a/Makefile b/Makefile
index 89e83dc59..8b760093b 100644
--- a/Makefile
+++ b/Makefile
@@ -128,6 +128,31 @@ themes.simple:
 	$(Q)echo '[!] Grunt build : simple theme'
 	$(Q)PATH="$$(npm bin):$$PATH" grunt --gruntfile  "searx/static/themes/simple/gruntfile.js"
 
+# build styles
+# ------------
+
+PHONY += styles style.legacy style.courgette style.pixart style.bootstrap
+styles: style.legacy style.courgette style.pixart style.bootstrap
+
+quiet_cmd_lessc = STYLE     $3
+      cmd_lessc = PATH="$$(npm bin):$$PATH" \
+	lessc --clean-css="--s1 --advanced --compatibility=ie9" "searx/static/$2" "searx/static/$3"
+
+style.legacy:
+	$(call cmd,lessc,themes/legacy/less/style-rtl.less,themes/legacy/css/style-rtl.css)
+	$(call cmd,lessc,themes/legacy/less/style.less,themes/legacy/css/style.css)
+
+style.courgette:
+	$(call cmd,lessc,themes/courgette/less/style.less,themes/courgette/css/style.css)
+	$(call cmd,lessc,themes/courgette/less/style-rtl.less,themes/courgette/css/style-rtl.css)
+
+style.pixart:
+	$(call cmd,lessc,themes/pix-art/less/style.less,themes/pix-art/css/style.css)
+
+style.bootstrap:
+	$(call cmd,lessc,less/bootstrap/bootstrap.less,css/bootstrap.min.css)
+
+
 # docker
 # ------
 
diff --git a/manage.sh b/manage.sh
index 5c9b332aa..4f46fd6d7 100755
--- a/manage.sh
+++ b/manage.sh
@@ -130,27 +130,6 @@ npm_packages() {
     npm install
 }
 
-build_style() {
-    npm_path_setup
-
-    lessc --clean-css="--s1 --advanced --compatibility=ie9" "$BASE_DIR/searx/static/$1" "$BASE_DIR/searx/static/$2"
-}
-
-styles() {
-    npm_path_setup
-
-    echo '[!] Building legacy style'
-    build_style themes/legacy/less/style.less themes/legacy/css/style.css
-    build_style themes/legacy/less/style-rtl.less themes/legacy/css/style-rtl.css
-    echo '[!] Building courgette style'
-    build_style themes/courgette/less/style.less themes/courgette/css/style.css
-    build_style themes/courgette/less/style-rtl.less themes/courgette/css/style-rtl.css
-    echo '[!] Building pix-art style'
-    build_style themes/pix-art/less/style.less themes/pix-art/css/style.css
-    echo '[!] Building bootstrap style'
-    build_style less/bootstrap/bootstrap.less css/bootstrap.min.css
-}
-
 docker_build() {
     # Check if it is a git repository
     if [ ! -d .git ]; then
@@ -241,7 +220,6 @@ Commands
     Build
     -----
     locales              - Compile locales
-    styles               - Build less files
 
     Tests
     -----